Two 1910 recordings from the Operette Manewry Jesienne(Ein Herbstmanöver) from Franz Léhar:
To mój przyjaciel Cohn X-2-62470
Aria Kadeta pod rezervy(Manewry Jesienne) X-2-62469
Seal Zonophone; 1910 recording, at 80 rpm, pressed in Russia(at time, most of Poland were part of Russian Empire).
Only non-profit educational purposes.